The second cross section may be smaller than the first cross section, and may be adapted to evidence disengagement from the container if the lower closure portion is disengaged from the container.
第二横截面可小于第一横截面，并且适于如果下封盖部从容器脱离则显出从容器的脱离。
There are many long and elastic round cross-section rod structures in quayside container crane, whose frequency are so low that it is easy to arouse crosswind resonance.
岸边起重机结构中有许多长的弹性圆截面杆件，自振频率比较低，很容易发生横风共振。
There are many long and elastic round cross-section rod structures in quayside container crane, whose frequency are so low that it is easy to arouse crosswind resonance.
岸边起重机结构中有许多长的弹性圆截面杆件，自振频率比较低，很容易发生横风共振。
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